EP3138545A1 - Saugfähige unterhose - Google Patents

Saugfähige unterhose Download PDF

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Publication number
EP3138545A1
EP3138545A1 EP15786632.8A EP15786632A EP3138545A1 EP 3138545 A1 EP3138545 A1 EP 3138545A1 EP 15786632 A EP15786632 A EP 15786632A EP 3138545 A1 EP3138545 A1 EP 3138545A1
Authority
EP
European Patent Office
Prior art keywords
welded
welded part
absorbent article
area
horizontal direction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP15786632.8A
Other languages
English (en)
French (fr)
Other versions
EP3138545A4 (de
Inventor
Takeshi SHIMAZU
Hiroki Yamamoto
Kento NASHIKI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unicharm Corp
Original Assignee
Unicharm Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unicharm Corp filed Critical Unicharm Corp
Publication of EP3138545A1 publication Critical patent/EP3138545A1/de
Publication of EP3138545A4 publication Critical patent/EP3138545A4/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49058—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by the modular concept of constructing the diaper
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/49011—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the waist region
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/49014—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the side panels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
    • A61F13/4963—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs characterized by the seam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/23—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations
    • B29C66/232—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations said joint lines being multiple and parallel, i.e. the joint being formed by several parallel joint lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/729—Textile or other fibrous material made from plastics
    • B29C66/7294—Non woven mats, e.g. felt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/4871—Underwear
    • B29L2031/4878—Diapers, napkins

Definitions

  • the second welded part in the middle area has the above described slanted shape portion on the body encircling opening side and this slanted shape portion is provided along the slanted shape portion included on the body encircling opening side of the first welded part in the inner area.
  • the guiding of the above described force toward the tearing direction based on the first welded part in the inner area can be quickly taken over by the second welded part in the inner area. Therefore, the above described guiding can be quickly taken over in also this middle area. And as a result, this end part can be further easily torn.
  • the slanted shape portion included on the body encircling opening side of the second welded part has a shape same as that of the slanted shape portion included on the body encircling opening side of the first welded part, and the second welded part and the first welded part are provided to be arranged along the horizontal direction while being inclined away from the horizontal direction such that the mutual slanted shape portions are aligned in a straight line.
  • the outer area includes an end area located horizontally outward with respect to the middle area, the end area is provided with a fourth welded part, the fourth welded part includes on the body encircling opening side the slanted shape portion, the slanting portion slanting toward the body encircling opening in the vertical direction as approaching to an outside along the horizontal direction, and the fourth welded part is provided to intersect with a line extending from the slanted shape portion included on the body encircling opening side of the second welded part.
  • the fourth welded part in the end area is provided to intersect with the line extending from the slanted shape portion of the second welded part in the middle area. Therefore, when tearing the above described end part, the tearing momentum along the tearing direction created at the inner area and the middle area can be blocked at the end area to relieve this momentum. As a result, a person can tear the end part in the horizontal direction with an appropriate momentum as a whole.
  • the upper edge part of the inner area Ain has the wide space Ga corresponding thereto.
  • this upper edge part is provided with a single first welded part j1 together with a first welded part j1 provided below the above welded part j1 with a wide space Gb therebetween. And this enables the start of the tearing to be performed smoothly.
  • the start of the tearing is important in order to smoothly tear the entire side end part 11es. And for a smooth tearing movement at the start of tearing the force F required at the start of the tearing needs to be small, and with respect to this, a wide space Ga is made to correspond to the upper end part of the inner area Ain in this example.
  • the force F required at the start of tearing can be kept small thereby allowing a smooth tearing movement at the start of tearing.
  • the second welded part j2 is located vertically above and adjacent the third welded part j3. And since this second welded part j2 has a parallelogram bottom surface in this example, the bottom side j2d thereof is parallel to the top side j2u thereof. Therefore, this bottom side j2d is also formed in a slanted shape such that the slanting portion slants downward in the vertical direction as approaching to the outside along the horizontal direction.
  • the fifth welded part j5 in the inner area Ain slants downward in the vertical direction as approaching to the outside along the horizontal direction.
  • this fifth welded part j5 exhibits a similar operational advantage as the first welded part j1 in the upper area Au.
  • the tearing performance is slightly sacrificed and the vertical dimension of the spaces between the fifth welded parts j5, j5 ... that are adjacent in the vertical direction in the lower area Ad are made smaller than the vertical dimension of the space between the first welded parts j1, j1 that are adjacent in the vertical direction in the upper area Au from the viewpoint of giving priority to keep the side end part 11es from tearing that starts from the leg encircling opening 1HL when the diaper is worn.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
EP15786632.8A 2014-04-28 2015-01-20 Saugfähige unterhose Withdrawn EP3138545A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014092701A JP5895019B2 (ja) 2014-04-28 2014-04-28 パンツ型の吸収性物品
PCT/JP2015/051383 WO2015166671A1 (ja) 2014-04-28 2015-01-20 パンツ型の吸収性物品

Publications (2)

Publication Number Publication Date
EP3138545A1 true EP3138545A1 (de) 2017-03-08
EP3138545A4 EP3138545A4 (de) 2017-04-05

Family

ID=54358412

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15786632.8A Withdrawn EP3138545A4 (de) 2014-04-28 2015-01-20 Saugfähige unterhose

Country Status (8)

Country Link
US (1) US20170049639A1 (de)
EP (1) EP3138545A4 (de)
JP (1) JP5895019B2 (de)
CN (1) CN106456407B (de)
AU (1) AU2015254457B2 (de)
MY (1) MY159759A (de)
TW (1) TWI694814B (de)
WO (1) WO2015166671A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3673882A1 (de) * 2018-12-25 2020-07-01 Unicharm Corporation Hosenähnlicher saugfähiger artikel

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Publication number Priority date Publication date Assignee Title
JP6385311B2 (ja) * 2015-05-27 2018-09-05 ユニ・チャーム株式会社 使い捨ての着用物品
WO2018222457A1 (en) * 2017-05-31 2018-12-06 Kimberly-Clark Worldwide, Inc. Front or rear opening closed-sided absorbent articles
CN110545771B (zh) 2017-05-31 2022-02-25 金伯利-克拉克环球有限公司 前或后开口的侧边闭合式吸收制品
JP6503432B1 (ja) * 2017-10-04 2019-04-17 ユニ・チャーム株式会社 伸縮性シート及び吸収性物品
JP6503431B1 (ja) * 2017-10-04 2019-04-17 ユニ・チャーム株式会社 伸縮性シート及び吸収性物品
JP6902997B2 (ja) * 2017-12-27 2021-07-14 ユニ・チャーム株式会社 吸収性物品の製造方法
JP6363314B1 (ja) * 2018-03-28 2018-07-25 ユニ・チャーム株式会社 吸収性物品
JP7041729B1 (ja) 2020-10-02 2022-03-24 株式会社リブドゥコーポレーション 使い捨て吸収性物品
JP7045437B1 (ja) 2020-10-27 2022-03-31 株式会社リブドゥコーポレーション 使い捨て吸収性物品
CN112716700A (zh) * 2021-01-25 2021-04-30 广东川田卫生用品有限公司 一种裤型吸收制品
JP2023034923A (ja) * 2021-08-31 2023-03-13 ユニ・チャーム株式会社 パンツ型吸収性物品、及び、パンツ型吸収性物品の製造方法
JP2023079873A (ja) * 2021-11-29 2023-06-08 大王製紙株式会社 パンツタイプ使い捨て着用物品

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US5624420A (en) * 1993-06-25 1997-04-29 The Procter & Gamble Company Disposable training pants having a non-perforated tear line through elastic
JP2008099865A (ja) * 2006-10-19 2008-05-01 Oji Nepia Kk パンツ型使い捨ておむつ

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See also references of WO2015166671A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3673882A1 (de) * 2018-12-25 2020-07-01 Unicharm Corporation Hosenähnlicher saugfähiger artikel

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US20170049639A1 (en) 2017-02-23
CN106456407B (zh) 2018-01-23
WO2015166671A1 (ja) 2015-11-05
MY159759A (en) 2017-01-24
EP3138545A4 (de) 2017-04-05
TW201544081A (zh) 2015-12-01
CN106456407A (zh) 2017-02-22
AU2015254457A1 (en) 2016-11-10
AU2015254457B2 (en) 2016-12-22
JP5895019B2 (ja) 2016-03-30
TWI694814B (zh) 2020-06-01

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